28050487 has 2 divisors, whose sum is σ = 28050488. Its totient is φ = 28050486.

The previous prime is 28050461. The next prime is 28050497. The reversal of 28050487 is 78405082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28050487 - 2⁷ = 28050359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28050497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14025243 + 14025244.

It is an arithmetic number, because the mean of its divisors is an integer number (14025244).

Almost surely, 2^28050487 is an apocalyptic number.

28050487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28050487 is an equidigital number, since it uses as much as digits as its factorization.

28050487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 28050487 is about 5296.2710466894. The cubic root of 28050487 is about 303.8412974446.

The spelling of 28050487 in words is "twenty-eight million, fifty thousand, four hundred eighty-seven".